| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | LA1DSA | 102 | 38.78 % | | 169 | 31.24 % | | | 2 | C C D C C | LA1LO | 78 | 29.66 % | | 163 | 30.13 % | | | 3 | C C D C | JW5X | 74 | 28.14 % | | 195 | 36.04 % | | | 4 | D C D C | 5P8Z | 3 | 1.14 % | | 8 | 1.48 % | | | 5 | C C D C C C / C | SA7LOO/P | 2 | 0.76 % | | 2 | 0.37 % | | | 6 | D C D C C | 9A7DX | 1 | 0.38 % | | 1 | 0.18 % | | | 7 | C C / C C D C C | OZ/DH3UN | 1 | 0.38 % | | 1 | 0.18 % | | | 8 | C C D D C C | OZ30EU | 1 | 0.38 % | | 1 | 0.18 % | | | 9 | C C D D C | OZ11A | 1 | 0.38 % | | 1 | 0.18 % | |
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